Self-catching pivot pen,申请号US19650462951-传众专利搜索

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发明名称	Self-catching pivot pen
摘要
申请公布号	US3296623(A)	申请公布日期	1967.01.03
申请号	US19650462951	申请日期	1965.06.10
申请人	LEEDS & NORTHRUP COMPANY	发明人	JOHNSON CURTIS R. A.
分类号	G01D15/16	主分类号	G01D15/16
代理机构		代理人
主权项
地址

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